• New 10-minute scan could help millions with difficult-to-treat high blood pressure
• Ingredient in diet sodas, ice cream and chewing gum now linked to liver disease
• ‘There were eight of us, only two are alive’: the growing crisis of arsenic in Argentina’s water
• Mother, 32, diagnosed with brain cancer after arm tingling dismissed as anxiety
• I was left hospitalized and coughing up blood after I made dangerous mistake using a glass straw